[Bug target/115458] [15 regression] [RISC-V] ICE in lra_split_hard_reg_for, at lra-assigns.cc:1868 unable to find a register to spill

[pan2.li at intel dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115458

--- Comment #2 from Li Pan <pan2.li at intel dot com> ---
3700bd68d1b01f0fe6d15f8a40b7fdca0904d5aa round May 15 is OK, let me run a
bisect for the first bad commit.